What does the (~) mean in the attached diagram.
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It will use a class called NameHelper (which you will write). This class will provide methods to load the data files and to fetch name rankings by year. The JavaFX class will be using NameHelper according to the following UML, so make sure your data helper has the methods defined below: What does the (~) mean in the attached diagram.
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- private OnlineStudent readOnlineStudent(Scanner pIn) { String id = pIn.next(); String lname = pIn.next(); String fname = pIn.next(); OnlineStudent student = new OnlineStudent(id, fname, lname); String fee = pIn.next(); int credits = pIn.nextInt(); if (fee.equals("T")) { student.setTechFee(true); else { student.setTechFee(false); } student.setCredits(credits); return student; keep getting class, interface,enum or record expected. I need helpInheritanceDemo.java: // StudentName Today's Date public class InheritanceDemo { public static void main(String[] args) { KleenexBox kb1 = new KleenexBox(); KleenexBox kb2 = new KleenexBox(100); Box justABox = new Box(); System.out.println("justABox has area " + BoxArea(justABox)); System.out.println("kb1 has area " + BoxArea(kb1)); System.out.println("kb2 has this many square inches of tissue: " + KleenexArea(kb2)); } public static double BoxArea (Box b) { return b.width * b.length; } public static double KleenexArea (KleenexBox a) { return a.width * a.length * a.numTissues; } } Box.java: // Student Name Today's Date public class Box { public double width; public double length; public String label; } KleenexBox.java: // Student's Name Today's Date public class KleenexBox extends Box { public int numTissues; // A new Kleenex box public KleenexBox() { numTissues = 50; length = 8.0; width = 5.0; } // A new Kleenex box with a specific number of tissues public…InheritanceDemo.java: // StudentName Today's Date public class InheritanceDemo { public static void main(String[] args) { KleenexBox kb1 = new KleenexBox(); KleenexBox kb2 = new KleenexBox(100); Box justABox = new Box(); System.out.println("justABox has area " + BoxArea(justABox)); System.out.println("kb1 has area " + BoxArea(kb1)); System.out.println("kb2 has this many square inches of tissue: " + KleenexArea(kb2)); } public static double BoxArea (Box b) { return b.width * b.length; } public static double KleenexArea (KleenexBox a) { return a.width * a.length * a.numTissues; } } Box.java: // Student Name Today's Date public class Box { public double width; public double length; public String label; } KleenexBox.java: // Student's Name Today's Date public class KleenexBox extends Box { public int numTissues; // A new Kleenex box public KleenexBox() { numTissues = 50; length = 8.0; width = 5.0; } // A new Kleenex box with a specific number of tissues public…
- In Java MailBox- client:String- emails: Email[]- actualSize: int+ Mailbox()+ Mailbox(client:String)+ getClient(): String+ getEmail(int index): Email+ getActualSize(): int+ addEmail(email: Email): void+ sortEmailsByDate(): void+ findEmail(year:int: Email+ countUrgent():int+ toString(): String Write java code for all the methods shown on the class diagram. Below arethe details needed for the different methods:a. The default constructor will assign the client a default name (any value ofyour choice). Keep in mind that a single mailbox (e.g., gmail) can handle amaximum of 15 emails, but it can hold less, which is the actual size of theemails array. So, the constructor should instantiate the emails arrayinstance variable by creating an array of size 15. It should also set theactualSize variable to 0.b. The MailBox (String client) constructor should call the default constructorusing chaining. It should then initialize the client variable using the clientparameter.c. The toString method…50 O이 습 @0verride public boolean equals(Object object) { if (object instanceof Point ){ Point point = (Point)object; 51 52 53 return (x point.x) && (y == point.y); == 54 55 else 56 return false; 57 } 58 O이 @0verride public int hashCode () { return Objects.hash(x,y); } 61 62 /* 63 tostring: default string format for this class 64 output: 65 String: (x,y) (no spaces) 66 67 O이 @0verride public String tostring(){ } public static void main(String[] args) { /* create point p = (2,3) using keyword new */ System.out.println("p=" + p); 68 69 70 71 72 73 74 /* create point q using p.getLocation() */ System.out.println("q="+q); 75 76 77 78 79 /* translate q up 3 and left 1 */ 80 81 System.out.println("q="+q); 82 /* make q refer to p */ System.out.println("q="+q); 83 84 85 86 87 88 } 89 D-D-class temporary { public: void set(string, double, double); void print(); double manipulate(); void get(string&, double&, double&); void setDescription(string); void setFirst(double); void setSecond(double); string getDescription() const; double getFirst()const; double getSecond()const; temporary(string = "", double = 0.0, double = 0.0); private: string description; double first; double second; }; What are the members and functions in this example? I need help identifying how the members and functions work to answer the questions below. I am having troubles understanding this concept. I am learning constructors and deconstructors along with inline and hiding information. I feel lost trying to answer these questions. Can I get direction on how to proceed? Write the definition of the member function set so that the instance variables are set according to the parameters. Write the definition of the member function manipulate that returns a decimal number as follows: If the…
- public void OnSend(View v){ String phoneNumber = number.getText().toString(); String smsmessage = message.getText().toString(); if(phoneNumber == null || phoneNumber.length() == 0 || smsmessage == null || smsmessage.length() == 0){ return; } if(checkPermission(Manifest.permission.SEND_SMS)){ SmsManager smsManager = SmsManager.getDefault(); smsManager.sendTextMessage(phoneNumber, null, smsmessage, null, null); Toast.makeText(this, "Message sent", Toast.LENGTH_SHORT).show(); } Question 2: Explain the following code: button.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { FragmentManager fm = getSupportFragmentManager(); FragmentTransaction ft = fm.beginTransaction(); XFragment xfragment = new XFragment(); ft.add(R.id.Main_fragment, xfragment);…class temporary { public: void set(string, double, double); void print(); double manipulate(); void get(string&, double&, double&); void setDescription(string); void setFirst(double); void setSecond(double); string getDescription() const; double getFirst()const; double getSecond()const; temporary(string = "", double = 0.0, double = 0.0); private: string description; double first; double second; }; I need help writing the definition of the member function set so the instance varialbes are set according to the parameters. I also need help in writing the definition of the member function manipulation that returns a decimal with: the value of the description as "rectangle", returns first * second; if the value of description is "circle", it returns the area of the circle with radius first; if the value of the description is "cylinder", it returns the volume of the cylinder with radius first and height second; otherwise, it returns with the value -1.Python This is what I have class linkedQueue: class _Node: def __init__(self, value, next = None): self._data = value self._next = next def get_data(self): return self._data def set_data(self, value): self._data = value def get_next(self): return self._next def set_next(self, nodetopoint = None): self._next = nodetopoint def __init__(self): self._head = None self._tail = None self._size = 0 def enqueue(self, itemValue): # Inserts a new item (the data of the item is set to itemValue) at the end of the queue and returns True. If unable to insert the item (due to error) return false. node = self._Node(itemValue) if self._head is None: self._head = node else: self._tail._next = node self._tail = node self._size += 1 return True def dequeue(self): # Removes the item…
- Customer This class should now implement the Comparable interface. Customer instances should be ordered by their last name, then first name, and finally the name of their associated building. toString() - Add this method that returns a String with the following format: <lastName>, <firstName> Reading This class should now implement the Comparable interface. Reading instances should be ordered by their timestamp. XmlHandler The following methods should be updated: startElement() - The handler logic should be modified such that it can now create and associate Customer, Building, Room, Device, and Reading objects. endElement() - Modify this method such that the current customer instance is added to the ArrayList of customers when a closing customer element is encountered. No hand written and fast answer pleaseimport java.util.ArrayList; public class Bus { privateStringname; privateintsize; privateintbasePrice; privateArrayList<Trip>approvedTrips; privateintlevel;// 1,2,3 for low,medium, high repectively; privateintid; privatestaticintnextId=0; privateMinistrymny; protectedStringtripTypes; privateintgetNextId(){ returnnextId++; } publicBus(){ approvedTrips=newArrayList<Trip>(); } publicBus(Stringname,intsize,intbasePrice,intlev,Ministrymny){ approvedTrips=newArrayList<Trip>(); this.name=name; this.size=size; this.basePrice=basePrice; this.level=lev; this.id=getNextId(); this.mny=mny; tripTypes="BASICTRANSPORT"; } publicbooleanavailable(Datedate){ booleanretval=true; for(Tript:approvedTrips) if(t.getDate().getDay()==date.getDay()) retval=false; returnretval; } publicintgetBasePrice(){ returnbasePrice; } publicintgetId(){ returnid; } publicStringgetName(){ returnname; } publicdoublegetSize(){ returnsize; } publicStringtoString(){ returnname; }…Here is a statement: class temporary { public: void set(string, double, double); void print(); double manipulate(); void get(string&, double&, double&); void setDescription(string); void setFirst(double); void setSecond(double); string getDescription() const; double getFirst()const; double getSecond()const; temporary(string = "", double = 0.0, double = 0.0); private: string description; double first; double second; }; How do I write the definition of the member function set so that the instance variables are set according to the parameters?